[Docs] Create Incident Response Runbook

[Abd-Standard]

Description

Develop an operational runbook describing how maintainers should respond to production incidents affecting NotifyChain.

Tasks
Document incident severity levels.
Define response procedures.
Add communication templates.
Include postmortem checklist.

Acceptance Criteria
Incident procedures are complete.
Response workflow is easy to follow.
Postmortem process is documented.

Contributors start work by running:
git checkout -b docs/incident-runbook

[ekwe7]

I would love to work on this issue. I have experience building production ready applications and collaborating through GitHub workflows. I'll carefully analyze the current implementation, propose a reliable solution, and submit a well-tested PR. My focus is on clean code, maintainability, and timely delivery

[jaynomyaro]

Hi! I came across this issue and would love to work on it. I have experience with similar tasks and I'm confident I can investigate, implement a clean solution, and thoroughly test it before submitting a PR. If the issue is still open, I would appreciate it if you could assign it to me. Thank you!

[Paulo-byt]

@Paulo-byt has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Good morning, Chief Maintainer,

I am an experienced software developer with a background in open-source contributions. I would like to work on this issue and contribute a clean, well-structured, and maintainable solution.

If possible, I would appreciate the opportunity to take it on. I’m ready to follow any contribution guidelines and provide timely updates.

Thank you for your consideration.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Paulo-byt to this issue.

[1sraeliteX]

@1sraeliteX has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

I would like to work on this issue.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @1sraeliteX to this issue.

[Naomi-Gift]

@Naomi-Gift has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hi. I have reviewed this issue and would like to work on it.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Naomi-Gift to this issue.

[grantfox-oss]

🦊 GrantFox — @Naomi-Gift has been assigned to this issue as part of the Official Campaign campaign!

Next steps:

1. Open a Pull Request referencing this issue (e.g., Closes #316)
2. Your PR will be reviewed by the Core-Foundry maintainers

Good luck! Track your progress on GrantFox.

[drips-wave]

Congratulations, @Naomi-Gift! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 30, 2026.

🧑‍💻 @Naomi-Gift: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

When opening a PR, please link it to this issue to ensure it gets tracked accurately. Points are awarded when this issue is marked as completed by the maintainer.

🤠 Repo maintainers: Please keep an eye on the contributor's progress and review their work before the due date. You can manage this issue, including adjusting its complexity and points, here.

🌊 Happy Wave 🌊